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README.me

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+
+# WhatsApp Me
+Wordpress plugin
+
+## Description [EN]
+Include a direct link to your WhatsApp profile on the web to support your users.
+
+Options:
+ - **Phone number**
+ - **Only on mobile**, on the desktop you will open WhatsApp Web (if available).
+ - **Call to Action**,  write a message to encourage users to contact you through WhatsApp
+ - **Delay**, you can define a timeout to show the call-to-action message
+
+If you have Google Analytics, an event is triggered when the user launches WhatsApp.
+
+## Descripción [ES]
+Incluye en la web un enlace directo a tu perfil de WhastApp para dar soporte a tus usuarios.
+
+Opciones:
+
+ - **Teléfono**
+ - **Solo en móviles**, en el escritorio se abrirá WhastApp Web (si está disponible)
+ - **Llamada a la acción**, escribe un mensaje para animar a los usuarios a contactar a través de WhatsApp
+ - **Retardo**, puedes definir un tiempo de espera para mostrar el mensaje de llamada a la acción
+
+Si dispones de Google Analytics se dispara un evento cuando el usuario lanza WhatsApp.
+
+## Installation
+
+1. Upload the entire `whatsappme` folder to the `/wp-content/plugins/` directory.
+2. Activate the plugin through the 'Plugins' menu in WordPress.
+
+## Changelog
+
+- **v 1.0.0** First version

README.txt

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+=== WhatsApp Me ===
+Contributors: creapuntome, pacotole
+Tags: whatsapp, button, chat, support, contact
+Requires at least: 3.0.1
+Tested up to: 4.9.2
+Requires PHP: 5.3
+Stable tag: 1.0.0
+License: GPLv2 or later
+License URI: http://www.gnu.org/licenses/gpl-2.0.html
+
+Add support to your visitors directly with WhatsApp.
+
+== Description ==
+
+## EN
+Include a direct link to your WhatsApp profile on the web to support your users.
+
+Options:
+ - **Phone number**
+ - **Only on mobile**, on the desktop you will open WhatsApp Web (if available).
+ - **Call to Action**,  write a message to encourage users to contact you through WhatsApp
+ - **Delay**, you can define a timeout to show the call-to-action message
+
+If you have Google Analytics, an event is triggered when the user launches WhatsApp.
+
+## ES
+Incluye en la web un enlace directo a tu perfil de WhastApp para dar soporte a tus usuarios.
+
+Opciones:
+
+ - **Teléfono**
+ - **Solo en móviles**, en el escritorio se abrirá WhastApp Web (si está disponible)
+ - **Llamada a la acción**, escribe un mensaje para animar a los usuarios a contactar a través de WhatsApp
+ - **Retardo**, puedes definir un tiempo de espera para mostrar el mensaje de llamada a la acción
+
+Si dispones de Google Analytics se dispara un evento cuando el usuario lanza WhatsApp.
+
+== Installation ==
+
+1. Upload the entire `whatsappme` folder to the `/wp-content/plugins/` directory.
+2. Activate the plugin through the 'Plugins' menu in WordPress.
+
+== Changelog ==
+
+= 1.0.0 =
+* First version

admin/class-whatsappme-admin.php

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+<?php
+
+/**
+ * The admin-specific functionality of the plugin.
+ *
+ * Defines the plugin name, version, and two examples hooks for how to
+ * enqueue the admin-specific stylesheet and JavaScript.
+ *
+ * @since      1.0.0
+ * @package    WhatsAppMe
+ * @subpackage WhatsAppMe/admin
+ * @author     Creame <[email protected]>
+ */
+class WhatsAppMe_Admin {
+
+	/**
+	 * The ID of this plugin.
+	 *
+	 * @since    1.0.0
+	 * @access   private
+	 * @var      string    $plugin_name    The ID of this plugin.
+	 */
+	private $plugin_name;
+
+	/**
+	 * The version of this plugin.
+	 *
+	 * @since    1.0.0
+	 * @access   private
+	 * @var      string    $version    The current version of this plugin.
+	 */
+	private $version;
+
+	/**
+	 * The setings of this plugin.
+	 *
+	 * @since    1.0.0
+	 * @access   private
+	 * @var      array    $settings    The current settings of this plugin.
+	 */
+	private $settings;
+
+
+	/**
+	 * Initialize the class and set its properties.
+	 *
+	 * @since    1.0.0
+	 * @param      string    $plugin_name       The name of this plugin.
+	 * @param      string    $version    The version of this plugin.
+	 */
+	public function __construct( $plugin_name, $version ) {
+
+		$this->plugin_name = $plugin_name;
+		$this->version = $version;
+		$this->get_settings();
+
+	}
+
+	/**
+	 * Get all settings or set defaults
+	 *
+	 * @since    1.0.0
+	 */
+	private function get_settings() {
+
+		$this->settings = array(
+			'telephone'     => '',
+			'mobile_only'   => 'no',
+			'message_text'  => '',
+			'message_delay' => 10000,
+		);
+
+		$saved_settings = get_option( 'whatsappme' );
+
+		if ( is_array( $saved_settings ) ) {
+			// clean unused saved settings
+			$saved_settings = array_intersect_key( $saved_settings, $this->settings );
+			// merge defaults with saved settings
+			$this->settings = array_merge( $this->settings, $saved_settings );
+		}
+
+	}
+
+	/**
+	 * Initialize the settings for wordpress admin
+	 *
+	 * @since    1.0.0
+	 * @access   public
+	 * @return   void
+	 */
+	public function settings_init(){
+
+		register_setting( 'whatsappme', 'whatsappme', array( $this, 'settings_validate' ) );
+		add_settings_section( 'whatsappme_section', null, array( $this, 'section_text' ), 'whatsappme' );
+
+		$field_names = 	array(
+			'telephone'      => __( 'Telephone', 'whatsappme' ),
+			'mobile_only'    => __( 'Only mobile', 'whatsappme' ),
+			'message_text'   => __( 'Call to action', 'whatsappme' ),
+			'message_delay'  => __( 'Delay', 'whatsappme' ),
+		);
+
+		foreach ( $this->settings as $key => $value ) {
+			add_settings_field( 'whatsappme_' . $key, $field_names[ $key ], array( $this, 'field_' . $key ), 'whatsappme', 'whatsappme_section' );
+		}
+	}
+
+	/**
+	 * Validate settings, claen and set defaults before save
+	 *
+	 * @since    1.0.0
+	 * @return   array
+	 */
+	public function settings_validate($input) {
+
+		if ( !array_key_exists( 'mobile_only', $input) ){
+			$input['mobile_only'] = 'no';
+		}
+		$input['telephone']     = sanitize_text_field($input['telephone']);
+		$input['message_text']  = trim($input['message_text']);
+		$input['message_delay'] = intval($input['message_delay']);
+
+		add_settings_error( 'whatsappme', 'settings_updated', __( 'Settings saved', 'whatsappme' ), 'updated' );
+
+		return $input;
+	}
+
+	/**
+	 * Section 'whatsappme_section' output
+	 *
+	 * @since    1.0.0
+	 * @return   void
+	 */
+	public function section_text() {
+		echo '<p>' . __( 'From here you can configure the behavior of the WhatsApp button on your site.', 'whatsappme' ) . '</p>';
+	}
+
+	/**
+	 * Field 'telephone' output
+	 *
+	 * @since    1.0.0
+	 * @return   void
+	 */
+	public function field_telephone() {
+		echo '<input name="whatsappme[telephone]" value="' . $this->settings['telephone'] . '" class="regular-text" type="text">' .
+			'<p class="description">' . __( "Contact phone number. <strong>The button will not be shown if it's empty.</strong>", 'whatsappme' ) . '</p>';
+	}
+
+	/**
+	 * Field 'message_text' output
+	 *
+	 * @since    1.0.0
+	 * @return   void
+	 */
+	public function field_message_text() {
+		echo '<textarea name="whatsappme[message_text]" rows="3" class="regular-text">' . $this->settings['message_text'] . '</textarea>' .
+			'<p class="description">' . __( 'Optional text to invite the user to use the contact via WhatsApp. <strong>Leave empty to disable.</strong>', 'whatsappme' ) . '</p>';
+	}
+
+	/**
+	 * Field 'message_delay' output
+	 *
+	 * @since    1.0.0
+	 * @return   void
+	 */
+	public function field_message_delay() {
+		echo '<input name="whatsappme[message_delay]" value="' . $this->settings['message_delay'] . '" class="small-text" type="number" min="0"> ' . __( 'milliseconds', 'whatsappme' ) .
+			'<p class="description"> ' . __( 'The <strong>Call to action</strong> will only be displayed once when the user exceeds the estimated delay on a page. ' .
+			'It will also be displayed when the user stops the cursor over the WhatsApp button.', 'whatsappme' ) . '</p>';
+	}
+
+	/**
+	 * Field 'mobile_only' output
+	 *
+	 * @since    1.0.0
+	 * @return   void
+	 */
+	public function field_mobile_only() {
+		echo '<fieldset><legend class="screen-reader-text"><span>Solo móvil</span></legend>' .
+			'<label><input name="whatsappme[mobile_only]" value="yes" type="checkbox"' . checked( 'yes', $this->settings['mobile_only'], false ) . '> ' .
+			__('Only display the button on mobile devices', 'whatsappme' ) . '</label></fieldset>';
+	}
+
+	/**
+	 * Add menu to the options page in the wordpress admin
+	 *
+	 * @since    1.0.0
+	 * @access   public
+	 * @return   void
+	 */
+	public function add_menu() {
+
+		add_options_page('WhatsApp Me', 'WhatsApp Me', 'manage_options', 'whatsappme', array( $this, 'options_page' ));
+
+	}
+
+	/**
+	 * Add link to options page on plugins page
+	 *
+	 * @since    1.0.0
+	 * @access   public
+	 * @return   void
+	 */
+	public function settings_link( $links ) {
+
+		$settings_link = '<a href="options-general.php?page=' . $this->plugin_name . '">' . __( 'Settings', 'whatsappme' ) . '</a>';
+		array_unshift( $links, $settings_link );
+		return $links;
+
+	}
+
+	/**
+	 * Generate the options page in the wordpress admin
+	 *
+	 * @since    1.0.0
+	 * @access   public
+	 * @return   void
+	 */
+	function options_page() {
+		?>
+			<div class="wrap">
+				<h1>WhatsApp Me</h1>
+
+				<form method="post" id="whatsappme_form" action="options.php">
+					<?php
+					settings_fields('whatsappme');
+					do_settings_sections('whatsappme');
+					submit_button();
+					?>
+				</form>
+			</div>
+		<?php
+	}
+}

admin/index.php

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+<?php // Silence is golden

includes/class-whatsappme-i18n.php

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+<?php
+
+/**
+ * Define the internationalization functionality.
+ *
+ * Loads and defines the internationalization files for this plugin
+ * so that it is ready for translation.
+ *
+ * @since      1.0.0
+ * @package    WhatsAppMe
+ * @subpackage WhatsAppMe/includes
+ * @author     Creame <[email protected]>
+ */
+class WhatsAppMe_i18n {
+
+
+	/**
+	 * Load the plugin text domain for translation.
+	 *
+	 * @since    1.0.0
+	 */
+	public function load_plugin_textdomain() {
+
+		load_plugin_textdomain(
+			'whatsappme',
+			false,
+			dirname( dirname( plugin_basename( __FILE__ ) ) ) . '/languages/'
+		);
+
+	}
+
+
+
+}